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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.117 by root, Sat May 10 20:02:09 2008 UTC vs.
Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC

3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8
9#include "schmorp.h"
8 10
9#include <stddef.h> 11#include <stddef.h>
10#include <stdlib.h> 12#include <stdlib.h>
11#include <errno.h> 13#include <errno.h>
12#include <sys/types.h> 14#include <sys/types.h>
13#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
14#include <limits.h> 17#include <limits.h>
15#include <fcntl.h> 18#include <fcntl.h>
16#include <sched.h> 19#include <sched.h>
20
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES
22# include <sys/mman.h>
23#endif
24
25/* perl namespace pollution */
26#undef VERSION
17 27
18#ifdef _WIN32 28#ifdef _WIN32
19 29
20# define EIO_STRUCT_DIRENT Direntry_t 30# define EIO_STRUCT_DIRENT Direntry_t
21# undef malloc 31# undef malloc
62# include <signal.h> 72# include <signal.h>
63# define EIO_STRUCT_DIRENT struct dirent 73# define EIO_STRUCT_DIRENT struct dirent
64 74
65#endif 75#endif
66 76
77/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */
79#undef readdir
80#undef opendir
81#undef closedir
82
67#define EIO_STRUCT_STAT Stat_t 83#define EIO_STRUCT_STAT Stat_t
68 84
69/* use NV for 32 bit perls as it allows larger offsets */ 85/* use NV for 32 bit perls as it allows larger offsets */
70#if IVSIZE >= 8 86#if IVSIZE >= 8
87# define VAL64 IV
71# define SvVAL64 SvIV 88# define SvVAL64 SvIV
89# define newSVval64 newSViv
72#else 90#else
91# define VAL64 NV
73# define SvVAL64 SvNV 92# define SvVAL64 SvNV
93# define newSVval64 newSVnv
74#endif 94#endif
75 95
76static HV *stash; 96/*****************************************************************************/
97
98#if __GNUC__ >= 3
99# define expect(expr,value) __builtin_expect ((expr),(value))
100#else
101# define expect(expr,value) (expr)
102#endif
103
104#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1)
106
107/*****************************************************************************/
108
77typedef SV SV8; /* byte-sv, used for argument-checking */ 109typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */
78 112
79#define AIO_REQ_KLASS "IO::AIO::REQ" 113static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
80#define AIO_GRP_KLASS "IO::AIO::GRP"
81 114
82#define EIO_COMMON \ 115#define EIO_REQ_MEMBERS \
83 SV *callback; \ 116 SV *callback; \
84 SV *sv1, *sv2; \ 117 SV *sv1, *sv2; \
85 STRLEN stroffset; \ 118 STRLEN stroffset; \
86 SV *self 119 SV *self;
120
121#define EIO_NO_WRAPPERS 1
87 122
88#include "libeio/eio.h" 123#include "libeio/eio.h"
124
125#ifndef POSIX_FADV_NORMAL
126# define POSIX_FADV_NORMAL 0
127# define NO_FADVISE 1
128#endif
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144
145#if _XOPEN_SOURCE < 600 || NO_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif
148
149#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0
151# define NO_MADVISE 1
152#endif
153#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0
155#endif
156#ifndef POSIX_MADV_RANDOM
157# define POSIX_MADV_RANDOM 0
158#endif
159#ifndef POSIX_MADV_WILLNEED
160# define POSIX_MADV_WILLNEED 0
161#endif
162#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0
164#endif
165
166#if _XOPEN_SOURCE < 600 || NO_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168#endif
169
170#ifndef ST_NODEV
171# define ST_NODEV 0
172#endif
173#ifndef ST_NOEXEC
174# define ST_NOEXEC 0
175#endif
176#ifndef ST_SYNCHRONOUS
177# define ST_SYNCHRONOUS 0
178#endif
179#ifndef ST_MANDLOCK
180# define ST_MANDLOCK 0
181#endif
182#ifndef ST_WRITE
183# define ST_WRITE 0
184#endif
185#ifndef ST_APPEND
186# define ST_APPEND 0
187#endif
188#ifndef ST_IMMUTABLE
189# define ST_IMMUTABLE 0
190#endif
191#ifndef ST_NOATIME
192# define ST_NOATIME 0
193#endif
194#ifndef ST_NODIRATIME
195# define ST_NODIRATIME 0
196#endif
197#ifndef ST_RELATIME
198# define ST_RELATIME 0
199#endif
200
201#ifndef MCL_CURRENT
202# define MCL_CURRENT 0
203#endif
204#ifndef MCL_FUTURE
205# define MCL_FUTURE 0
206#endif
207
208#ifndef MAP_ANONYMOUS
209# ifdef MAP_ANON
210# define MAP_ANONYMOUS MAP_ANON
211# else
212# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
213# endif
214#endif
215#ifndef MAP_HUGETLB
216# define MAP_HUGETLB 0
217#endif
218#ifndef MAP_LOCKED
219# define MAP_LOCKED 0
220#endif
221#ifndef MAP_NORESERVE
222# define MAP_NORESERVE 0
223#endif
224#ifndef MAP_POPULATE
225# define MAP_POPULATE 0
226#endif
227#ifndef MAP_NONBLOCK
228# define MAP_NONBLOCK 0
229#endif
230
231#ifndef PAGESIZE
232# define PAGESIZE sysconf (_SC_PAGESIZE)
233#endif
89 234
90static int req_invoke (eio_req *req); 235static int req_invoke (eio_req *req);
91#define EIO_FINISH(req) req_invoke (req) 236#define EIO_FINISH(req) req_invoke (req)
92static void aio_grp_feed (eio_req *grp);
93#define EIO_FEED(req) aio_grp_feed (req)
94static void req_destroy (eio_req *grp); 237static void req_destroy (eio_req *grp);
95#define EIO_DESTROY(req) req_destroy (req) 238#define EIO_DESTROY(req) req_destroy (req)
96 239
97enum { 240enum {
98 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 241 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
102 245
103typedef eio_req *aio_req; 246typedef eio_req *aio_req;
104typedef eio_req *aio_req_ornot; 247typedef eio_req *aio_req_ornot;
105 248
106static SV *on_next_submit; 249static SV *on_next_submit;
107static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; 250static int next_pri = EIO_PRI_DEFAULT;
108static int max_outstanding; 251static int max_outstanding;
109 252
110static int respipe_osf [2], respipe [2] = { -1, -1 }; 253static s_epipe respipe;
111 254
112static void req_destroy (aio_req req); 255static void req_destroy (aio_req req);
113static void req_cancel (aio_req req); 256static void req_cancel (aio_req req);
114 257
115static void want_poll (void) 258static void want_poll (void)
116{ 259{
117 /* write a dummy byte to the pipe so fh becomes ready */ 260 /* write a dummy byte to the pipe so fh becomes ready */
118 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 261 s_epipe_signal (&respipe);
119} 262}
120 263
121static void done_poll (void) 264static void done_poll (void)
122{ 265{
123 /* read any signals sent by the worker threads */ 266 /* read any signals sent by the worker threads */
124 char buf [4]; 267 s_epipe_drain (&respipe);
125 while (respipe_read (respipe [0], buf, 4) == 4)
126 ;
127} 268}
128 269
129/* must be called at most once */ 270/* must be called at most once */
130static SV *req_sv (aio_req req, const char *klass) 271static SV *req_sv (aio_req req, HV *stash)
131{ 272{
132 if (!req->self) 273 if (!req->self)
133 { 274 {
134 req->self = (SV *)newHV (); 275 req->self = (SV *)newHV ();
135 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 276 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
136 } 277 }
137 278
138 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 279 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
139} 280}
140 281
141static aio_req SvAIO_REQ (SV *sv) 282static aio_req SvAIO_REQ (SV *sv)
142{ 283{
143 MAGIC *mg; 284 MAGIC *mg;
144 285
145 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 286 if (!SvROK (sv)
287 || (SvSTASH (SvRV (sv)) != aio_grp_stash
288 && SvSTASH (SvRV (sv)) != aio_req_stash
289 && !sv_derived_from (sv, "IO::AIO::REQ")))
146 croak ("object of class " AIO_REQ_KLASS " expected"); 290 croak ("object of class IO::AIO::REQ expected");
147 291
148 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 292 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
149 293
150 return mg ? (aio_req)mg->mg_ptr : 0; 294 return mg ? (aio_req)mg->mg_ptr : 0;
151} 295}
157 dSP; 301 dSP;
158 302
159 ENTER; 303 ENTER;
160 SAVETMPS; 304 SAVETMPS;
161 PUSHMARK (SP); 305 PUSHMARK (SP);
162 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 306 XPUSHs (req_sv (grp, aio_grp_stash));
163 PUTBACK; 307 PUTBACK;
164 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 308 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
165 SPAGAIN; 309 SPAGAIN;
166 FREETMPS; 310 FREETMPS;
167 LEAVE; 311 LEAVE;
170 314
171static void req_submit (eio_req *req) 315static void req_submit (eio_req *req)
172{ 316{
173 eio_submit (req); 317 eio_submit (req);
174 318
175 if (on_next_submit) 319 if (expect_false (on_next_submit))
176 { 320 {
177 dSP; 321 dSP;
178 SV *cb = sv_2mortal (on_next_submit); 322 SV *cb = sv_2mortal (on_next_submit);
179 323
180 on_next_submit = 0; 324 on_next_submit = 0;
185 } 329 }
186} 330}
187 331
188static int req_invoke (eio_req *req) 332static int req_invoke (eio_req *req)
189{ 333{
190 dSP;
191
192 if (req->flags & FLAG_SV2_RO_OFF) 334 if (req->flags & FLAG_SV2_RO_OFF)
193 SvREADONLY_off (req->sv2); 335 SvREADONLY_off (req->sv2);
194 336
195 if (!EIO_CANCELLED (req) && SvOK (req->callback)) 337 if (!EIO_CANCELLED (req) && req->callback)
196 { 338 {
339 dSP;
340 static SV *sv_result_cache; /* caches the result integer SV */
341 SV *sv_result;
342
197 ENTER; 343 ENTER;
198 SAVETMPS; 344 SAVETMPS;
199 PUSHMARK (SP); 345 PUSHMARK (SP);
200 EXTEND (SP, 1); 346 EXTEND (SP, 1);
347
348 /* do not recreate the result IV from scratch each time */
349 if (expect_true (sv_result_cache))
350 {
351 sv_result = sv_result_cache; sv_result_cache = 0;
352 SvIV_set (sv_result, req->result);
353 }
354 else
355 {
356 sv_result = newSViv (req->result);
357 SvREADONLY_on (sv_result);
358 }
201 359
202 switch (req->type) 360 switch (req->type)
203 { 361 {
204 case EIO_READDIR: 362 case EIO_READDIR:
205 { 363 {
206 SV *rv = &PL_sv_undef; 364 SV *rv = &PL_sv_undef;
207 365
208 if (req->result >= 0) 366 if (req->result >= 0)
209 { 367 {
210 int i; 368 int i;
211 char *buf = req->ptr2; 369 char *names = (char *)req->ptr2;
370 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
212 AV *av = newAV (); 371 AV *av = newAV ();
213 372
214 av_extend (av, req->result - 1); 373 av_extend (av, req->result - 1);
215 374
216 for (i = 0; i < req->result; ++i) 375 for (i = 0; i < req->result; ++i)
217 { 376 {
218 SV *sv = newSVpv (buf, 0); 377 if (req->int1 & EIO_READDIR_DENTS)
378 {
379 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
219 380
381 if (req->int1 & EIO_READDIR_CUSTOM2)
382 {
383 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
384 AV *avent = newAV ();
385
386 av_extend (avent, 2);
387
388 if (!sv_type [ent->type])
389 {
390 sv_type [ent->type] = newSViv (ent->type);
391 SvREADONLY_on (sv_type [ent->type]);
392 }
393
394 av_store (avent, 0, namesv);
395 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
396 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
397
398 av_store (av, i, newRV_noinc ((SV *)avent));
399 }
400 else
220 av_store (av, i, sv); 401 av_store (av, i, namesv);
402
403 ++ent;
404 }
405 else
406 {
407 SV *name = newSVpv (names, 0);
408 av_store (av, i, name);
221 buf += SvCUR (sv) + 1; 409 names += SvCUR (name) + 1;
410 }
222 } 411 }
223 412
224 rv = sv_2mortal (newRV_noinc ((SV *)av)); 413 rv = sv_2mortal (newRV_noinc ((SV *)av));
225 } 414 }
226 415
227 PUSHs (rv); 416 PUSHs (rv);
417
418 if (req->int1 & EIO_READDIR_CUSTOM1)
419 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
228 } 420 }
229 break; 421 break;
230 422
231 case EIO_OPEN: 423 case EIO_OPEN:
232 { 424 {
238 GV *gv = (GV *)sv_newmortal (); 430 GV *gv = (GV *)sv_newmortal ();
239 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 431 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
240 char sym [64]; 432 char sym [64];
241 int symlen; 433 int symlen;
242 434
243 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 435 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
244 gv_init (gv, stash, sym, symlen, 0); 436 gv_init (gv, aio_stash, sym, symlen, 0);
245 437
246 symlen = snprintf ( 438 symlen = snprintf (
247 sym, 439 sym,
248 sizeof (sym), 440 sizeof (sym),
249 "%s&=%d", 441 "%s&=%d",
250 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", 442 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
251 req->result 443 (int)req->result
252 ); 444 );
253 445
254 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 446 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
255 fh = (SV *)gv; 447 fh = (SV *)gv;
256 } 448 }
257 449
258 PUSHs (fh); 450 PUSHs (fh);
259 } 451 }
452 break;
453
454 case EIO_STATVFS:
455 case EIO_FSTATVFS:
456 {
457 SV *rv = &PL_sv_undef;
458
459 if (req->result >= 0)
460 {
461 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
462 HV *hv = newHV ();
463
464 rv = sv_2mortal (newRV_noinc ((SV *)hv));
465
466 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
467 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
468 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
469 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
470 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
471 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
472 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
473 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
474 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
475 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
476 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
477 }
478
479 PUSHs (rv);
480 }
481
260 break; 482 break;
261 483
262 case EIO_GROUP: 484 case EIO_GROUP:
263 req->int1 = 2; /* mark group as finished */ 485 req->int1 = 2; /* mark group as finished */
264 486
277 case EIO_BUSY: 499 case EIO_BUSY:
278 break; 500 break;
279 501
280 case EIO_READLINK: 502 case EIO_READLINK:
281 if (req->result > 0) 503 if (req->result > 0)
282 { 504 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
283 SvCUR_set (req->sv2, req->result);
284 *SvEND (req->sv2) = 0;
285 PUSHs (req->sv2);
286 }
287 break; 505 break;
288 506
289 case EIO_STAT: 507 case EIO_STAT:
290 case EIO_LSTAT: 508 case EIO_LSTAT:
291 case EIO_FSTAT: 509 case EIO_FSTAT:
292 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 510 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
293 PL_laststatval = req->result; 511 PL_laststatval = req->result;
294 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 512 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
295 PUSHs (sv_2mortal (newSViv (req->result))); 513 PUSHs (sv_result);
296 break; 514 break;
297 515
298 case EIO_READ: 516 case EIO_READ:
517 {
299 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 518 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
300 *SvEND (req->sv2) = 0; 519 *SvEND (req->sv2) = 0;
301 PUSHs (sv_2mortal (newSViv (req->result))); 520 SvPOK_only (req->sv2);
521 SvSETMAGIC (req->sv2);
522 PUSHs (sv_result);
523 }
302 break; 524 break;
303 525
304 case EIO_DUP2: 526 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
305 if (req->result > 0) 527 if (req->result > 0)
306 req->result = 0; 528 SvIV_set (sv_result, 0);
307 /* FALLTHROUGH */ 529 /* FALLTHROUGH */
308 530
309 default: 531 default:
310 PUSHs (sv_2mortal (newSViv (req->result))); 532 PUSHs (sv_result);
311 break; 533 break;
312 } 534 }
313 535
314 errno = req->errorno; 536 errno = req->errorno;
315 537
316 PUTBACK; 538 PUTBACK;
317 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 539 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
318 SPAGAIN; 540 SPAGAIN;
541
542 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
543 SvREFCNT_dec (sv_result);
544 else
545 sv_result_cache = sv_result;
319 546
320 FREETMPS; 547 FREETMPS;
321 LEAVE; 548 LEAVE;
322 549
323 PUTBACK; 550 PUTBACK;
352 grp->sv2 = 0; 579 grp->sv2 = 0;
353 580
354 eio_grp_cancel (grp); 581 eio_grp_cancel (grp);
355} 582}
356 583
357#ifdef USE_SOCKETS_AS_HANDLES
358# define TO_SOCKET(x) (win32_get_osfhandle (x))
359#else
360# define TO_SOCKET(x) (x)
361#endif
362
363static void 584static void
364create_respipe (void) 585create_respipe (void)
365{ 586{
366 int old_readfd = respipe [0];
367
368 if (respipe [1] >= 0)
369 respipe_close (TO_SOCKET (respipe [1]));
370
371#ifdef _WIN32
372 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
373#else
374 if (pipe (respipe)) 587 if (s_epipe_renew (&respipe))
375#endif
376 croak ("unable to initialize result pipe"); 588 croak ("IO::AIO: unable to initialize result pipe");
377
378 if (old_readfd >= 0)
379 {
380 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
381 croak ("unable to initialize result pipe(2)");
382
383 respipe_close (respipe [0]);
384 respipe [0] = old_readfd;
385 }
386
387#ifdef _WIN32
388 int arg = 1;
389 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
390 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
391#else
392 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
393 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
394#endif
395 croak ("unable to initialize result pipe(3)");
396
397 respipe_osf [0] = TO_SOCKET (respipe [0]);
398 respipe_osf [1] = TO_SOCKET (respipe [1]);
399} 589}
400 590
401static void poll_wait (void) 591static void poll_wait (void)
402{ 592{
403 fd_set rfd;
404
405 while (eio_nreqs ()) 593 while (eio_nreqs ())
406 { 594 {
407 int size; 595 int size;
408 596
409 X_LOCK (reslock); 597 X_LOCK (reslock);
411 X_UNLOCK (reslock); 599 X_UNLOCK (reslock);
412 600
413 if (size) 601 if (size)
414 return; 602 return;
415 603
416 maybe_start_thread (); 604 etp_maybe_start_thread ();
417 605
418 FD_ZERO (&rfd); 606 s_epipe_wait (&respipe);
419 FD_SET (respipe [0], &rfd);
420
421 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
422 } 607 }
423} 608}
424 609
425static int poll_cb (void) 610static int poll_cb (void)
426{ 611{
427 int res; 612 for (;;)
428
429 do
430 { 613 {
431 res = eio_poll (); 614 int res = eio_poll ();
432 615
433 if (res > 0) 616 if (res > 0)
434 croak (0); 617 croak (0);
618
619 if (!max_outstanding || max_outstanding > eio_nreqs ())
620 return res;
621
622 poll_wait ();
435 } 623 }
436 while (max_outstanding && max_outstanding <= eio_nreqs ());
437
438 return res;
439} 624}
440 625
441static void atfork_child (void) 626static void atfork_child (void)
442{ 627{
443 create_respipe (); 628 create_respipe ();
444} 629}
445 630
631/*****************************************************************************/
632
633#if !_POSIX_MAPPED_FILES
634# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
635# define munmap(addr,length) (errno = ENOSYS, -1)
636#endif
637
638#define MMAP_MAGIC PERL_MAGIC_ext
639
640static int
641mmap_free (pTHX_ SV *sv, MAGIC *mg)
642{
643 int old_errno = errno;
644 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
645 errno = old_errno;
646
647 mg->mg_obj = 0; /* just in case */
648
649 SvREADONLY_off (sv);
650
651 if (SvPVX (sv) != mg->mg_ptr)
652 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
653
654 SvCUR_set (sv, 0);
655 SvPVX (sv) = 0;
656 SvOK_off (sv);
657
658 return 0;
659}
660
661static MGVTBL mmap_vtbl = {
662 0, 0, 0, 0, mmap_free
663};
664
665/*****************************************************************************/
666
667static SV *
668get_cb (SV *cb_sv)
669{
670 SvGETMAGIC (cb_sv);
671 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
672}
673
446#define dREQ \ 674#define dREQ \
675 SV *cb_cv; \
447 aio_req req; \ 676 aio_req req; \
448 int req_pri = next_pri; \ 677 int req_pri = next_pri; \
449 next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \ 678 next_pri = EIO_PRI_DEFAULT; \
450 \ 679 \
451 if (SvOK (callback) && !SvROK (callback)) \ 680 cb_cv = get_cb (callback); \
452 croak ("callback must be undef or of reference type"); \
453 \ 681 \
454 Newz (0, req, 1, eio_req); \ 682 Newz (0, req, 1, eio_req); \
455 if (!req) \ 683 if (!req) \
456 croak ("out of memory during eio_req allocation"); \ 684 croak ("out of memory during eio_req allocation"); \
457 \ 685 \
458 req->callback = newSVsv (callback); \ 686 req->callback = SvREFCNT_inc (cb_cv); \
459 req->pri = req_pri 687 req->pri = req_pri
460 688
461#define REQ_SEND \ 689#define REQ_SEND \
690 PUTBACK; \
462 req_submit (req); \ 691 req_submit (req); \
692 SPAGAIN; \
463 \ 693 \
464 if (GIMME_V != G_VOID) \ 694 if (GIMME_V != G_VOID) \
465 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 695 XPUSHs (req_sv (req, aio_req_stash));
466 696
467MODULE = IO::AIO PACKAGE = IO::AIO 697MODULE = IO::AIO PACKAGE = IO::AIO
468 698
469PROTOTYPES: ENABLE 699PROTOTYPES: ENABLE
470 700
471BOOT: 701BOOT:
472{ 702{
473 stash = gv_stashpv ("IO::AIO", 1); 703 static const struct {
474 704 const char *name;
475 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 705 IV iv;
476 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 706 } *civ, const_iv[] = {
477 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 707# define const_niv(name, value) { # name, (IV) value },
478 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 708# define const_iv(name) { # name, (IV) name },
479 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 709# define const_eio(name) { # name, (IV) EIO_ ## name },
710 const_iv (EXDEV)
711 const_iv (ENOSYS)
712 const_iv (O_RDONLY)
713 const_iv (O_WRONLY)
714 const_iv (O_RDWR)
715 const_iv (O_CREAT)
716 const_iv (O_TRUNC)
717 const_iv (O_EXCL)
718 const_iv (O_APPEND)
480#ifdef _WIN32 719#ifndef _WIN32
481 X_MUTEX_CHECK (wrklock); 720 const_iv (S_IFIFO)
482 X_MUTEX_CHECK (reslock);
483 X_MUTEX_CHECK (reqlock);
484 X_MUTEX_CHECK (reqwait);
485 X_MUTEX_CHECK (preadwritelock);
486 X_MUTEX_CHECK (readdirlock);
487
488 X_COND_CHECK (reqwait);
489#else
490 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
491#endif 721#endif
722 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
723 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
724 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
725 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
726 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
727 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
492 728
729 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
730 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
731 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
732 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
733 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
734
735 const_iv (ST_RDONLY)
736 const_iv (ST_NOSUID)
737 const_iv (ST_NODEV)
738 const_iv (ST_NOEXEC)
739 const_iv (ST_SYNCHRONOUS)
740 const_iv (ST_MANDLOCK)
741 const_iv (ST_WRITE)
742 const_iv (ST_APPEND)
743 const_iv (ST_IMMUTABLE)
744 const_iv (ST_NOATIME)
745 const_iv (ST_NODIRATIME)
746 const_iv (ST_RELATIME)
747
748 const_iv (PROT_EXEC)
749 const_iv (PROT_NONE)
750 const_iv (PROT_READ)
751 const_iv (PROT_WRITE)
752
753 /*const_iv (MAP_FIXED)*/
754 const_iv (MAP_PRIVATE)
755 const_iv (MAP_SHARED)
756 const_iv (MAP_ANONYMOUS)
757
758 /* linuxish */
759 const_iv (MAP_HUGETLB)
760 const_iv (MAP_LOCKED)
761 const_iv (MAP_NORESERVE)
762 const_iv (MAP_POPULATE)
763 const_iv (MAP_NONBLOCK)
764
765 const_iv (MCL_FUTURE)
766 const_iv (MCL_CURRENT)
767
768 const_eio (MS_ASYNC)
769 const_eio (MS_INVALIDATE)
770 const_eio (MS_SYNC)
771
772 const_eio (MT_MODIFY)
773
774 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
775 const_eio (SYNC_FILE_RANGE_WRITE)
776 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
777
778 const_eio (READDIR_DENTS)
779 const_eio (READDIR_DIRS_FIRST)
780 const_eio (READDIR_STAT_ORDER)
781 const_eio (READDIR_FOUND_UNKNOWN)
782
783 const_eio (DT_UNKNOWN)
784 const_eio (DT_FIFO)
785 const_eio (DT_CHR)
786 const_eio (DT_DIR)
787 const_eio (DT_BLK)
788 const_eio (DT_REG)
789 const_eio (DT_LNK)
790 const_eio (DT_SOCK)
791 const_eio (DT_WHT)
792 };
793
794 aio_stash = gv_stashpv ("IO::AIO" , 1);
795 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
796 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
797
798 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
799 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
800
801 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
802
493 create_respipe (); 803 create_respipe ();
494 804
495 if (eio_init (want_poll, done_poll) < 0) 805 if (eio_init (want_poll, done_poll) < 0)
496 croak ("IO::AIO: unable to initialise eio library"); 806 croak ("IO::AIO: unable to initialise eio library");
497 807
498 /* atfork child called in fifo order, so before eio's handler */ 808 /* atfork child called in fifo order, so before eio's handler */
499 X_THREAD_ATFORK (0, 0, atfork_child); 809 X_THREAD_ATFORK (0, 0, atfork_child);
500} 810}
501 811
502void 812void
503max_poll_reqs (int nreqs) 813max_poll_reqs (int nreqs)
504 PROTOTYPE: $ 814 PROTOTYPE: $
557 ALIAS: 867 ALIAS:
558 aio_fsync = EIO_FSYNC 868 aio_fsync = EIO_FSYNC
559 aio_fdatasync = EIO_FDATASYNC 869 aio_fdatasync = EIO_FDATASYNC
560 PPCODE: 870 PPCODE:
561{ 871{
872 int fd = s_fileno_croak (fh, 0);
562 dREQ; 873 dREQ;
563 874
564 req->type = ix; 875 req->type = ix;
565 req->sv1 = newSVsv (fh); 876 req->sv1 = newSVsv (fh);
566 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 877 req->int1 = fd;
878
879 REQ_SEND (req);
880}
881
882void
883aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
884 PROTOTYPE: $$$$;$
885 PPCODE:
886{
887 int fd = s_fileno_croak (fh, 0);
888 dREQ;
889
890 req->type = EIO_SYNC_FILE_RANGE;
891 req->sv1 = newSVsv (fh);
892 req->int1 = fd;
893 req->offs = offset;
894 req->size = nbytes;
895 req->int2 = flags;
567 896
568 REQ_SEND (req); 897 REQ_SEND (req);
569} 898}
570 899
571void 900void
572aio_close (SV *fh, SV *callback=&PL_sv_undef) 901aio_close (SV *fh, SV *callback=&PL_sv_undef)
573 PROTOTYPE: $;$ 902 PROTOTYPE: $;$
574 PPCODE: 903 PPCODE:
575{ 904{
576 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 905 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
906 int fd = s_fileno_croak (fh, 0);
577 dREQ; 907 dREQ;
578 908
579 if (close_pipe < 0) 909 if (close_pipe < 0)
580 { 910 {
581 int pipefd [2]; 911 int pipefd [2];
589 } 919 }
590 920
591 req->type = EIO_DUP2; 921 req->type = EIO_DUP2;
592 req->int1 = close_pipe; 922 req->int1 = close_pipe;
593 req->sv2 = newSVsv (fh); 923 req->sv2 = newSVsv (fh);
594 req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); 924 req->int2 = fd;
595 925
596 REQ_SEND (req); 926 REQ_SEND (req);
597} 927}
598 928
599void 929void
603 aio_write = EIO_WRITE 933 aio_write = EIO_WRITE
604 PROTOTYPE: $$$$$;$ 934 PROTOTYPE: $$$$$;$
605 PPCODE: 935 PPCODE:
606{ 936{
607 STRLEN svlen; 937 STRLEN svlen;
938 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
608 char *svptr = SvPVbyte (data, svlen); 939 char *svptr = SvPVbyte (data, svlen);
609 UV len = SvUV (length); 940 UV len = SvUV (length);
610
611 SvUPGRADE (data, SVt_PV);
612 SvPOK_on (data);
613 941
614 if (dataoffset < 0) 942 if (dataoffset < 0)
615 dataoffset += svlen; 943 dataoffset += svlen;
616 944
617 if (dataoffset < 0 || dataoffset > svlen) 945 if (dataoffset < 0 || dataoffset > svlen)
623 if (!SvOK (length) || len + dataoffset > svlen) 951 if (!SvOK (length) || len + dataoffset > svlen)
624 len = svlen - dataoffset; 952 len = svlen - dataoffset;
625 } 953 }
626 else 954 else
627 { 955 {
628 /* read: grow scalar as necessary */ 956 /* read: check type and grow scalar as necessary */
957 SvUPGRADE (data, SVt_PV);
629 svptr = SvGROW (data, len + dataoffset + 1); 958 svptr = SvGROW (data, len + dataoffset + 1);
630 } 959 }
631 960
632 if (len < 0)
633 croak ("length must not be negative");
634
635 { 961 {
636 dREQ; 962 dREQ;
637 963
638 req->type = ix; 964 req->type = ix;
639 req->sv1 = newSVsv (fh); 965 req->sv1 = newSVsv (fh);
640 req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) 966 req->int1 = fd;
641 : IoOFP (sv_2io (fh)));
642 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 967 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
643 req->size = len; 968 req->size = len;
644 req->sv2 = SvREFCNT_inc (data); 969 req->sv2 = SvREFCNT_inc (data);
645 req->ptr2 = (char *)svptr + dataoffset; 970 req->ptr2 = (char *)svptr + dataoffset;
646 req->stroffset = dataoffset; 971 req->stroffset = dataoffset;
661 PPCODE: 986 PPCODE:
662{ 987{
663 SV *data; 988 SV *data;
664 dREQ; 989 dREQ;
665 990
666 data = newSV (NAME_MAX);
667 SvPOK_on (data);
668
669 req->type = EIO_READLINK; 991 req->type = EIO_READLINK;
670 req->sv1 = newSVsv (path); 992 req->sv1 = newSVsv (path);
671 req->ptr1 = SvPVbyte_nolen (req->sv1); 993 req->ptr1 = SvPVbyte_nolen (req->sv1);
672 req->sv2 = data;
673 req->ptr2 = SvPVbyte_nolen (data);
674 994
675 REQ_SEND; 995 REQ_SEND;
676} 996}
677 997
678void 998void
679aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 999aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
680 PROTOTYPE: $$$$;$ 1000 PROTOTYPE: $$$$;$
681 PPCODE: 1001 PPCODE:
682{ 1002{
1003 int ifd = s_fileno_croak (in_fh , 0);
1004 int ofd = s_fileno_croak (out_fh, 1);
683 dREQ; 1005 dREQ;
684 1006
685 req->type = EIO_SENDFILE; 1007 req->type = EIO_SENDFILE;
686 req->sv1 = newSVsv (out_fh); 1008 req->sv1 = newSVsv (out_fh);
687 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 1009 req->int1 = ofd;
688 req->sv2 = newSVsv (in_fh); 1010 req->sv2 = newSVsv (in_fh);
689 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1011 req->int2 = ifd;
690 req->offs = SvVAL64 (in_offset); 1012 req->offs = in_offset;
691 req->size = length; 1013 req->size = length;
692 1014
693 REQ_SEND; 1015 REQ_SEND;
694} 1016}
695 1017
696void 1018void
697aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1019aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
698 PROTOTYPE: $$$;$ 1020 PROTOTYPE: $$$;$
699 PPCODE: 1021 PPCODE:
700{ 1022{
1023 int fd = s_fileno_croak (fh, 0);
701 dREQ; 1024 dREQ;
702 1025
703 req->type = EIO_READAHEAD; 1026 req->type = EIO_READAHEAD;
704 req->sv1 = newSVsv (fh); 1027 req->sv1 = newSVsv (fh);
705 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1028 req->int1 = fd;
706 req->offs = SvVAL64 (offset); 1029 req->offs = offset;
707 req->size = length; 1030 req->size = length;
708 1031
709 REQ_SEND; 1032 REQ_SEND;
710} 1033}
711 1034
712void 1035void
713aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1036aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
714 ALIAS: 1037 ALIAS:
715 aio_stat = EIO_STAT 1038 aio_stat = EIO_STAT
716 aio_lstat = EIO_LSTAT 1039 aio_lstat = EIO_LSTAT
1040 aio_statvfs = EIO_STATVFS
717 PPCODE: 1041 PPCODE:
718{ 1042{
719 dREQ; 1043 dREQ;
720 1044
721 req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT));
722 if (!req->ptr2)
723 {
724 req_destroy (req);
725 croak ("out of memory during aio_stat statdata allocation");
726 }
727
728 req->flags |= EIO_FLAG_PTR2_FREE;
729 req->sv1 = newSVsv (fh_or_path); 1045 req->sv1 = newSVsv (fh_or_path);
730 1046
731 if (SvPOK (fh_or_path)) 1047 if (SvPOK (req->sv1))
732 { 1048 {
733 req->type = ix; 1049 req->type = ix;
734 req->ptr1 = SvPVbyte_nolen (req->sv1); 1050 req->ptr1 = SvPVbyte_nolen (req->sv1);
735 } 1051 }
736 else 1052 else
737 { 1053 {
738 req->type = EIO_FSTAT; 1054 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
739 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1055 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
740 } 1056 }
741 1057
742 REQ_SEND; 1058 REQ_SEND;
743} 1059}
750 1066
751 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1067 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
752 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1068 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
753 req->sv1 = newSVsv (fh_or_path); 1069 req->sv1 = newSVsv (fh_or_path);
754 1070
755 if (SvPOK (fh_or_path)) 1071 if (SvPOK (req->sv1))
756 { 1072 {
757 req->type = EIO_UTIME; 1073 req->type = EIO_UTIME;
758 req->ptr1 = SvPVbyte_nolen (req->sv1); 1074 req->ptr1 = SvPVbyte_nolen (req->sv1);
759 } 1075 }
760 else 1076 else
773 dREQ; 1089 dREQ;
774 1090
775 req->sv1 = newSVsv (fh_or_path); 1091 req->sv1 = newSVsv (fh_or_path);
776 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1092 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
777 1093
778 if (SvPOK (fh_or_path)) 1094 if (SvPOK (req->sv1))
779 { 1095 {
780 req->type = EIO_TRUNCATE; 1096 req->type = EIO_TRUNCATE;
781 req->ptr1 = SvPVbyte_nolen (req->sv1); 1097 req->ptr1 = SvPVbyte_nolen (req->sv1);
782 } 1098 }
783 else 1099 else
791 1107
792void 1108void
793aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1109aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
794 ALIAS: 1110 ALIAS:
795 aio_chmod = EIO_CHMOD 1111 aio_chmod = EIO_CHMOD
796 aio_fchmod = EIO_FCHMOD
797 aio_mkdir = EIO_MKDIR 1112 aio_mkdir = EIO_MKDIR
798 PPCODE: 1113 PPCODE:
799{ 1114{
800 dREQ; 1115 dREQ;
801 1116
802 req->type = ix;
803 req->int2 = mode; 1117 req->int2 = mode;
804 req->sv1 = newSVsv (fh_or_path); 1118 req->sv1 = newSVsv (fh_or_path);
805 1119
806 if (ix == EIO_FCHMOD) 1120 if (SvPOK (req->sv1))
807 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1121 {
1122 req->type = ix;
1123 req->ptr1 = SvPVbyte_nolen (req->sv1);
1124 }
808 else 1125 else
809 req->ptr1 = SvPVbyte_nolen (req->sv1); 1126 {
1127 req->type = EIO_FCHMOD;
1128 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1129 }
810 1130
811 REQ_SEND; 1131 REQ_SEND;
812} 1132}
813 1133
814void 1134void
819 1139
820 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1140 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
821 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1141 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
822 req->sv1 = newSVsv (fh_or_path); 1142 req->sv1 = newSVsv (fh_or_path);
823 1143
824 if (SvPOK (fh_or_path)) 1144 if (SvPOK (req->sv1))
825 { 1145 {
826 req->type = EIO_CHOWN; 1146 req->type = EIO_CHOWN;
827 req->ptr1 = SvPVbyte_nolen (req->sv1); 1147 req->ptr1 = SvPVbyte_nolen (req->sv1);
828 } 1148 }
829 else 1149 else
834 1154
835 REQ_SEND; 1155 REQ_SEND;
836} 1156}
837 1157
838void 1158void
1159aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
1160 PPCODE:
1161{
1162 dREQ;
1163
1164 req->type = EIO_READDIR;
1165 req->sv1 = newSVsv (pathname);
1166 req->ptr1 = SvPVbyte_nolen (req->sv1);
1167 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1168
1169 if (flags & EIO_READDIR_DENTS)
1170 req->int1 |= EIO_READDIR_CUSTOM2;
1171
1172 REQ_SEND;
1173}
1174
1175void
839aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1176aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
840 ALIAS: 1177 ALIAS:
841 aio_unlink = EIO_UNLINK 1178 aio_unlink = EIO_UNLINK
842 aio_rmdir = EIO_RMDIR 1179 aio_rmdir = EIO_RMDIR
843 aio_readdir = EIO_READDIR 1180 aio_readdir = EIO_READDIR
885 1222
886 REQ_SEND; 1223 REQ_SEND;
887} 1224}
888 1225
889void 1226void
1227aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1228 ALIAS:
1229 aio_mtouch = EIO_MTOUCH
1230 aio_msync = EIO_MSYNC
1231 PROTOTYPE: $$$$;$
1232 PPCODE:
1233{
1234 STRLEN svlen;
1235 UV len = SvUV (length);
1236 char *svptr = SvPVbyte (data, svlen);
1237
1238 if (offset < 0)
1239 offset += svlen;
1240
1241 if (offset < 0 || offset > svlen)
1242 croak ("offset outside of scalar");
1243
1244 if (!SvOK (length) || len + offset > svlen)
1245 len = svlen - offset;
1246
1247 {
1248 dREQ;
1249
1250 req->type = ix;
1251 req->size = len;
1252 req->sv2 = SvREFCNT_inc (data);
1253 req->ptr2 = (char *)svptr + offset;
1254 req->int1 = flags;
1255
1256 REQ_SEND;
1257 }
1258}
1259
1260void
890aio_busy (double delay, SV *callback=&PL_sv_undef) 1261aio_busy (double delay, SV *callback=&PL_sv_undef)
891 PPCODE: 1262 PPCODE:
892{ 1263{
893 dREQ; 1264 dREQ;
894 1265
905{ 1276{
906 dREQ; 1277 dREQ;
907 1278
908 req->type = EIO_GROUP; 1279 req->type = EIO_GROUP;
909 1280
910 eio_submit (req); 1281 req_submit (req);
911 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1282 XPUSHs (req_sv (req, aio_grp_stash));
912} 1283}
913 1284
914void 1285void
915aio_nop (SV *callback=&PL_sv_undef) 1286aio_nop (SV *callback=&PL_sv_undef)
916 ALIAS: 1287 ALIAS:
927 1298
928int 1299int
929aioreq_pri (int pri = 0) 1300aioreq_pri (int pri = 0)
930 PROTOTYPE: ;$ 1301 PROTOTYPE: ;$
931 CODE: 1302 CODE:
932 RETVAL = next_pri - EIO_PRI_BIAS; 1303 RETVAL = next_pri;
933 if (items > 0) 1304 if (items > 0)
934 { 1305 {
935 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1306 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
936 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; 1307 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
937 next_pri = pri + EIO_PRI_BIAS; 1308 next_pri = pri;
938 } 1309 }
939 OUTPUT: 1310 OUTPUT:
940 RETVAL 1311 RETVAL
941 1312
942void 1313void
943aioreq_nice (int nice = 0) 1314aioreq_nice (int nice = 0)
944 CODE: 1315 CODE:
945 nice = next_pri - nice; 1316 nice = next_pri - nice;
946 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; 1317 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
947 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1318 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
948 next_pri = nice + EIO_PRI_BIAS; 1319 next_pri = nice;
949 1320
950void 1321void
951flush () 1322flush ()
952 PROTOTYPE: 1323 PROTOTYPE:
953 CODE: 1324 CODE:
968 1339
969int 1340int
970poll_fileno() 1341poll_fileno()
971 PROTOTYPE: 1342 PROTOTYPE:
972 CODE: 1343 CODE:
973 RETVAL = respipe [0]; 1344 RETVAL = s_epipe_fd (&respipe);
974 OUTPUT: 1345 OUTPUT:
975 RETVAL 1346 RETVAL
976 1347
977int 1348int
978poll_cb(...) 1349poll_cb(...)
1014 1385
1015int 1386int
1016nthreads() 1387nthreads()
1017 PROTOTYPE: 1388 PROTOTYPE:
1018 CODE: 1389 CODE:
1019 if (WORDACCESS_UNSAFE) X_LOCK (wrklock); 1390 RETVAL = eio_nthreads ();
1020 RETVAL = started;
1021 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1022 OUTPUT: 1391 OUTPUT:
1023 RETVAL 1392 RETVAL
1024 1393
1394int
1395fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1396 PROTOTYPE: $$$$
1397 CODE:
1398 RETVAL = posix_fadvise (fh, offset, length, advice);
1399 OUTPUT:
1400 RETVAL
1401
1402ssize_t
1403sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1404 PROTOTYPE: $$$$
1405 CODE:
1406 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1407 OUTPUT:
1408 RETVAL
1409
1410void
1411mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1412 PROTOTYPE: $$$$$;$
1413 PPCODE:
1414 sv_unmagic (scalar, MMAP_MAGIC);
1415{
1416 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1417 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1418 if (addr == (void *)-1)
1419 XSRETURN_NO;
1420
1421 sv_force_normal (scalar);
1422
1423 /* we store the length in mg_obj, as namlen is I32 :/ */
1424 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1425 ->mg_obj = (SV *)length;
1426
1427 SvUPGRADE (scalar, SVt_PV); /* nop... */
1428
1429 if (!(prot & PROT_WRITE))
1430 SvREADONLY_on (scalar);
1431
1432 if (SvLEN (scalar))
1433 Safefree (SvPVX (scalar));
1434
1435 SvPVX (scalar) = (char *)addr;
1436 SvCUR_set (scalar, length);
1437 SvLEN_set (scalar, 0);
1438 SvPOK_only (scalar);
1439
1440 XSRETURN_YES;
1441}
1442
1443void
1444munmap (SV *scalar)
1445 PROTOTYPE: $
1446 CODE:
1447 sv_unmagic (scalar, MMAP_MAGIC);
1448
1449int
1450madvise (SV *scalar, off_t offset, off_t length, IV advice)
1451 PROTOTYPE: $$$$
1452 CODE:
1453{
1454 char *addr = SvPV_nolen (scalar) + offset;
1455
1456 if (!SvOK (ST (2)))
1457 length = SvCUR (scalar) - offset;
1458
1459 if (addr >= SvEND (scalar) || length <= 0)
1460 XSRETURN_EMPTY;
1461
1462 RETVAL = posix_madvise (addr, length, advice);
1463}
1464 OUTPUT:
1465 RETVAL
1466
1467int
1468mlockall (int flags)
1469 PROTOTYPE: $
1470 CODE:
1471#if _POSIX_MEMLOCK
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1473 extern int mallopt (int, int);
1474 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475#endif
1476 mlockall (flags);
1477#else
1478 RETVAL = -1;
1479 errno = ENOSYS;
1480#endif
1481 OUTPUT:
1482 RETVAL
1483
1484int
1485munlockall ()
1486 PROTOTYPE:
1487 CODE:
1488#if _POSIX_MEMLOCK
1489 munlockall ();
1490#else
1491 RETVAL = -1;
1492 errno = ENOSYS;
1493#endif
1494 OUTPUT:
1495 RETVAL
1496
1025void _on_next_submit (SV *cb) 1497void _on_next_submit (SV *cb)
1026 CODE: 1498 CODE:
1027 SvREFCNT_dec (on_next_submit); 1499 SvREFCNT_dec (on_next_submit);
1028 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1500 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1029 1501
1036 CODE: 1508 CODE:
1037 eio_cancel (req); 1509 eio_cancel (req);
1038 1510
1039void 1511void
1040cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 1512cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1041 CODE: 1513 PPCODE:
1514{
1515 if (GIMME_V != G_VOID)
1516 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1517
1518 if (items > 1)
1519 {
1520 SV *cb_cv =get_cb (callback);
1521
1042 SvREFCNT_dec (req->callback); 1522 SvREFCNT_dec (req->callback);
1043 req->callback = newSVsv (callback); 1523 req->callback = SvREFCNT_inc (cb_cv);
1524 }
1525}
1044 1526
1045MODULE = IO::AIO PACKAGE = IO::AIO::GRP 1527MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1046 1528
1047void 1529void
1048add (aio_req grp, ...) 1530add (aio_req grp, ...)
1080 AV *av; 1562 AV *av;
1081 1563
1082 grp->errorno = errno; 1564 grp->errorno = errno;
1083 1565
1084 av = newAV (); 1566 av = newAV ();
1567 av_extend (av, items - 1);
1085 1568
1086 for (i = 1; i < items; ++i ) 1569 for (i = 1; i < items; ++i )
1087 av_push (av, newSVsv (ST (i))); 1570 av_push (av, newSVsv (ST (i)));
1088 1571
1089 SvREFCNT_dec (grp->sv1); 1572 SvREFCNT_dec (grp->sv1);
1103void 1586void
1104feed (aio_req grp, SV *callback=&PL_sv_undef) 1587feed (aio_req grp, SV *callback=&PL_sv_undef)
1105 CODE: 1588 CODE:
1106{ 1589{
1107 SvREFCNT_dec (grp->sv2); 1590 SvREFCNT_dec (grp->sv2);
1108 grp->sv2 = newSVsv (callback); 1591 grp->sv2 = newSVsv (callback);
1592 grp->feed = aio_grp_feed;
1109 1593
1110 if (grp->int2 <= 0) 1594 if (grp->int2 <= 0)
1111 grp->int2 = 2; 1595 grp->int2 = 2;
1112 1596
1113 eio_grp_limit (grp, grp->int2); 1597 eio_grp_limit (grp, grp->int2);

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